Abstract: A foam stabilizing composition is disclosed. The composition comprises (A) a siloxane cationic surfactant comprising a cationic moiety having the formula Z1-D1-N(Y)a(R)2?a, wherein Z1 is a siloxane moiety, D1 is a divalent linking group, R is H or an unsubstituted hydrocarbyl group having from 1 to 4 carbon atoms, subscript a is 1 or 2, and each Y has formula -D-NR13+, where D is a divalent linking group and each R1 is independently an unsubstituted hydrocarbyl group having from 1 to 4 carbon atoms. The composition also comprises (B) an organic cationic surfactant comprising a cationic moiety having the formula Z2-D2-N(Y)b(R)2?b, wherein Z2 is an unsubstituted hydrocarbyl group, D2 is a covalent bond or a divalent linking group, subscript b is 1 or 2, and R, Y, and subscript a, are defined above. An aqueous film-forming foam comprising the composition and method of using the same are also disclosed.

Abstract: A method of formfree printing a three-dimensional object in layers with at least one printing material includes outputting printing material in at least one printing material string in string-shape via at least one printing head; receiving, via a printing platen, at least one printing material string output by the at least one printing head; providing a rod-shaped heating device movably arranged over the printing platen; controlling the rod-shaped heating device, via a heat controller, to emit a heat irradiation directed to the printing platen to heat the at least one printing material string to a reaction temperature to trigger a chemical reaction of the at least one printing material of the at least one printing material string; providing at least one motor coupled to the rod-shaped heating device to move it over the printing platen; and controlling the at least one motor, via a motor controller, to move the rod-shaped heating device over the printing platen to harden the at least one printing material stri

Abstract: A crosslinkable composition is useful for preparing a skin contact adhesive or a coating on a substrate. The crosslinkable composition includes (A) a polyurethane-polyorganosiloxane copolymer and (B) a curing catalyst. The skin contact adhesive prepared by crosslinking the crosslinkable composition is useful in applications such as adhesives for medical tapes, adhesives for wound dressings, adhesives for prosthetics, ostomy appliance adhesives, adhesives for medical monitoring appliances, adhesives for scar therapy treatments, adhesives for cosmetic patches, and transdermal drug delivery systems.

Abstract: A one-part low modulus room temperature vulcamsable (RTV) silicone composition comprising a titanate and/or zirconate catalyst which cures to a low modulus silicone elastomer which has a good adhesion profile and may be used as a non-staining (clean) sealant having high movement capability which compositions contains an aminosilane adhesion promoter having two hydroxyl or hydrolysable groups per molecule in an amount of 0.1-3.75% by weight of the composition.

Abstract: A composition contains an organopolysiloxane having the average chemical structure (I): [R?R2SiO—(R2SiO)m]3—Si—[OSiR2]n—Y—Si(OR)3??(I) where: R is independently in each occurrence selected from alkyl, aryl, substituted alkyl and substituted alkyl groups having from one to 8 carbon atoms; R? is independently in each occurrence selected from R and terminally unsaturated alkylene groups having from 2 to 6 carbon atoms; Y is selected from a group consisting of: X, and X—(R2SiO)pSiR2—X; where p has an average value in a range of one to 3; and X is independently in each occurrence selected from alkylene and substituted alkylene groups having from one to 6 carbon atoms; and the average values for subscripts m and n are each greater than zero and independently selected so that the average value for the sum of all of the average m values and the average n value is in a range of 30-200.

Abstract: Polyorganosiloxanes and methods for their preparation are disclosed. The polyorganosiloxanes are useful in curable compositions. The polyorganosiloxanes may have up to 9 silicon bonded hydrogen atoms, or other curable groups, per molecule.

Abstract: An article adapted to receive multiple battery cells, such as a battery module, which provides thermal insulation between adjacent battery cells using thermally insulating layers comprising a ceramifiable elastomeric silicone material, using fumed silica (amorphous SiO2) or fumed silica (amorphous SiO2)+quartz (crystalline SiO2). There is also provided, the use of said ceramifiable elastomeric silicone material as a means of delaying and/or preventing thermal runaway in such an article. Typically, the battery cells for which this article is designed are lithium-ion battery cells.

Abstract: A photocurable silicone composition is disclosed. The composition comprises at least one photochromic pigment. The at least one photochromic pigment is selected from the group consisting of 4,4?,4?-methylidynetris(N,N-dimethylaniline), 3,3-bis(p-dimethylaminophenyl)-6-dimethylaminophthalide, 4-4?-benzylidenebis(N,N-dimethylaniline), 2-[(2,4-dinitrophenyl)methyl] pyridine, and combinations thereof. The at least one photochromic pigment is present in an amount of from about 0.001 to about 0.05 mass % of a total amount of the composition. The composition can indicate a cure point thereof by coloring.

Abstract: Described herein are methods for making alkenyl disiloxanes, comprising combining an alkenyl halosilane with an alkyl halosilane and adding the mixture to water, an acidic aqueous solution, or a basic aqueous solution. The ratio of the alkenyl halosilane to the alkyl halosilane is about 10:1 to about 1:10. The alkenyl halosilane and the alkyl halosilane are mixed at about 20° C. to about 45° C. The reaction product is separated and washed with saturated alkali carbonate solution.

Abstract: An elastomer has the general structure of: where: subscript a is 50-500, b is 1-10, c is 2-30, R1 has the structure: —CH2(CH2)nO(CH2)pCH(OH)(CH2)qNR2R2? where n, p and q are each independently 1-5 and R2 and R2? are independently selected from alkyl and hydroxyalkyl groups having 1-5 carbon atoms; where X is a crosslinker remnant bound to a siloxane unit corresponding to subscript c of a siloxane backbone polymer in addition to the one shown so that the crosslinker remnant in each occurrence is a reaction product with two siloxane backbone polymers, wherein the crosslinker is selected from a group consisting of primary organic dienes, divinyl siloxane and polyoxyalkylenes wherein at least two X components correspond to crosslinker remnants connecting the same two siloxane backbone polymers.

Abstract: Foam control compositions along with formulations thereof and their use in various applications, including a method for making a foam control composition comprising a cross-linked polyorganosiloxane material including a dispersed silica filler, including the steps of: A) preparing a hydrosilylation reaction mixture by combining the following components: (i) silica filler, (ii) a polyorganosiloxane having at least two reactive substituents capable of addition reaction with component (iii) via hydrosilylation, (iii) a polyorganosiloxane having at least three reactive substituents capable of addition reaction with component (ii) via hydrosilylation, and (iv) a hydrosilylation catalyst; B) conducting a hydrosilylation reaction of components (ii) and (iii) until the reaction mixture at least partially gels to form a hydrosilylation reaction product; C) shearing the hydrosilylation reaction product of step B); and D) combining the hydrosilylation reaction product of step C) with a (v) silicone resin and an (vi)

Abstract: Described herein are methods for making alkenyl disiloxanes, comprising combining an alkenyl halosilane with a bis-hydrido terminated alkyl disiloxane and adding the mixture to water, an acidic aqueous solution, or a basic aqueous solution. The ratio of the alkenyl halosilane to the bis-hydrido terminated alkyl disiloxane is about 1:10 to about 10:1. The alkenyl halosilane and bis-hydrido terminated alkyl disiloxane are mixed at about 20° C. to about 45° C. In an example, no organic solvent is present. The reaction product is separated and washed with saturated NaHCO3 solution (e.g., sodium bicarbonate).

Abstract: A polysiloxane-polyester block copolymer is provided, which comprises: (i) a siloxane resin block comprising: a siloxane unit represented by the formula: R1SiO3/2, wherein R1 is a monovalent hydrocarbon group, and comprising optionally a siloxane unit represented by the formula: SiO4/2; (ii) a siloxane linear block represented by the formula: (R22SiO2/2)n, wherein each R2 is independently a monovalent hydrocarbon group, and “n” is a positive number of at least 5; and (iii) a polyester block. The polysiloxane-polyester block copolymer can be used for a protective coating on a substrate which is made of aluminum, stainless steel, iron, plastics or glass to provide durable heat-resistance, hot hardness, release and anti-graffiti properties.

Abstract: A pressure sensitive adhesive composition can cure via hydrosilylation to form a pressure sensitive adhesive. The pressure sensitive adhesive composition may be coated on a substrate and cured to form a protective film. The protective film is useful in flexible OLED device fabrication processes, e.g., for protection of passivation layers.

Abstract: Described herein are thermal condensation reactors and processes of using the same. A presently described thermal condensation reactor includes a heat transfer chamber, wherein the heat transfer chamber is a fluidized bed having a fluidization gas flow in a first direction, and wherein the heat transfer chamber has a plurality of heating zones that may be maintained at different temperatures, and a plurality of reaction tubes disposed in the heat transfer chamber in a second direction perpendicular to the fluidization gas flow, each reaction tube having a reactant gas flow that passes through the plurality of heating zones.

Abstract: An aqueous coating composition comprising an aqueous dispersion of polyurethane and a siloxane-based polyamide.

Abstract: A room temperature curable sealant/adhesive composition is disclosed. The room temperature curable sealant/adhesive composition comprises: A) one or more organopolysiloxanes; B) a hydrophilic material; C) a cross-linker; D) a titanate catalyst and/or a zirconate catalyst; and E) one or more optional ingredients. A silicone elastomer formed therefrom and related methods are also disclosed. In general, such compositions (upon several hours of contact with water) do not repel water, but rather retain and pick-up water and/or can be wetted by aqueous materials subsequent to exposure.

Abstract: A method of adhering a cosmetic pressed powder product or a stick type applicative product (e.g. a lipstick) inside a receptacle therefor is disclosed. The receptacle comprises a casing having a top end and a base end with a receiving base member disposed at the base end, and the receiving base member has an inner surface. The base member may be designed or adapted to be moveable inside the casing to advance and retract the product. The method comprises applying a silicone hot melt adhesive composition in liquid form to at least part of the inner surface of the receiving base member; inserting the product into the receiving base member on or in the silicone hot melt adhesive composition while still in liquid form; and cooling, and optionally curing, the silicone hot melt adhesive to adhere the product inside the receptacle. Retained-products formed via the method are also disclosed.

Abstract: A handling additive composition is disclosed. The composition is useful to improve handling of silicone elastomers prepared from polydiorganosiloxanes and silicone elastomers made therewith.

Abstract: A method for preparing a product includes combining starting materials including A) a siloxane oligomer having silicon bonded hydrogen atoms, B) an alkoxysilane having at least one aliphatically unsaturated group capable of undergoing hydrosilylation reaction and C) a cobalt catalyst. The method can be used to produce a compound of formula (I). This compound can be used in a hydrosilylation reaction with a vinyl-functional polyorganosiloxane. The resulting product includes an ethyltrimethoxysilyl functional polyorganosiloxane useful in condensation reaction curable sealant compositions.